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2022-08-13 - 01:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #a, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  TI

ARM TI AM5728 @1000 MHz, Linux 4.4.12-rt17-osadl-g86c9060003 (Profile)

Latency plot of shadow in rack #a, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot5s.osadl.org (updated Fri Aug 12, 2022 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860,0rcu_preempt19-21ksoftirqd/109:43:181
10050850,0irq/346-48484009859-1kworker/0:0H11:11:170
81750,0rcu_preempt19-21ksoftirqd/109:59:181
81750,0rcu_preempt19-21ksoftirqd/107:38:201
81740,0rcu_preempt12247-21ssh12:24:421
81730,0rcu_preempt19-21ksoftirqd/111:16:241
81720,0rcu_preempt19-21ksoftirqd/110:16:481
81720,0rcu_preempt19-21ksoftirqd/109:18:081
81700,0rcu_preempt19-21ksoftirqd/111:03:141
81690,0rcu_preempt17523-1kworker/0:0H11:57:110
81680,0rcu_preempt19-21ksoftirqd/109:28:331
81650,0rcu_preempt54-21kswapd011:21:381
81650,0rcu_preempt19-21ksoftirqd/111:43:331
81650,0rcu_preempt19-21ksoftirqd/108:38:061
81620,0rcu_preempt764-21rngd12:07:461
81620,0rcu_preempt54-21kswapd011:05:210
81620,0rcu_preempt3632-21ssh09:48:031
10050620,0irq/346-484840031769-1kworker/0:3H11:36:390
81610,0rcu_preempt3-21ksoftirqd/011:48:150
81610,0rcu_preempt26970-21apt-get09:37:511
81600,0rcu_preempt54-21kswapd009:25:401
81600,0rcu_preempt3-21ksoftirqd/007:57:570
9950590,0irq/345-4848400181ktimersoftd/112:30:371
9950590,0irq/345-4848400181ktimersoftd/111:48:491
81590,0rcu_preempt3-21ksoftirqd/010:24:350
9950580,0irq/345-484840081rcu_preempt09:15:581
9950580,0irq/345-484840019-21ksoftirqd/110:06:541
81580,0rcu_preempt3-21ksoftirqd/012:28:140
81580,0rcu_preempt19-21ksoftirqd/110:28:041
9950570,0irq/345-4848400181ktimersoftd/112:34:411
9950570,0irq/345-4848400171rcuc/111:54:461
81570,0rcu_preempt19-21ksoftirqd/109:10:121
9950560,0irq/345-484840081rcu_preempt10:25:001
9950560,0irq/345-4848400181ktimersoftd/112:22:291
9950560,0irq/345-484840011318-1kworker/0:2H09:28:350
81560,0rcu_preempt3-21ksoftirqd/009:15:570
81560,0rcu_preempt19-21ksoftirqd/110:33:301
81560,0rcu_preempt18127-21kworker/1:011:23:121
10050560,0irq/346-484840025980-1kworker/0:1H11:29:270
81550,0rcu_preempt20533-1kworker/0:0H07:18:320
10050550,0irq/346-484840011744-1kworker/0:0H10:02:320
9950540,0irq/345-484840019390-21timerandwakeup10:43:171
9950540,0irq/345-484840016199-1kworker/1:0H10:59:021
81540,0rcu_preempt23637-21awk09:33:161
81540,0rcu_preempt19-21ksoftirqd/110:47:561
81540,0rcu_preempt15215-21kworker/0:212:13:070
10050540,0irq/346-484840011709-1kworker/0:1H12:27:000
81530,0rcu_preempt9428-21ping08:12:570
81530,0rcu_preempt32617-21diskmemload10:37:490
81530,0rcu_preempt19-21ksoftirqd/108:12:491
10050530,0irq/346-48484005994-1kworker/0:3H09:57:340
10050530,0irq/346-48484005994-1kworker/0:3H09:51:310
10050530,0irq/346-484840024613-1kworker/0:1H09:34:520
81520,0rcu_preempt3-21ksoftirqd/010:44:470
81520,0rcu_preempt3-21ksoftirqd/010:35:300
81520,0rcu_preempt3-21ksoftirqd/010:28:260
81520,0rcu_preempt20930-21kworker/u4:209:00:160
10050520,0irq/346-484840022070-1kworker/0:2H12:00:160
9950510,0irq/345-484840029077-21ping07:17:390
81510,0rcu_preempt3-21ksoftirqd/009:38:060
81510,0rcu_preempt3-21ksoftirqd/008:18:060
81510,0rcu_preempt3-21ksoftirqd/007:02:500
10050510,0irq/346-484840022188-21ssh12:36:000
10050510,0irq/346-484840014917-1kworker/0:3H11:23:410
9950500,0irq/345-4848400171rcuc/111:30:031
81500,0rcu_preempt3-21ksoftirqd/010:18:200
81500,0rcu_preempt3-21ksoftirqd/010:03:080
81500,0rcu_preempt3-21ksoftirqd/009:45:270
81500,0rcu_preempt3-21ksoftirqd/008:22:500
81500,0rcu_preempt3-21ksoftirqd/007:48:090
81500,0rcu_preempt3-21ksoftirqd/007:44:570
81500,0rcu_preempt3-21ksoftirqd/007:07:570
81500,0rcu_preempt0-21swapper/112:04:251
10050500,0irq/346-484840024752-1kworker/0:2H10:51:570
9950490,0irq/345-48484000-21swapper/007:28:110
81490,0rcu_preempt3-21ksoftirqd/012:02:470
81490,0rcu_preempt3-21ksoftirqd/009:18:180
81490,0rcu_preempt19-21ksoftirqd/107:58:171
81490,0rcu_preempt15215-21kworker/0:211:16:320
9950480,0irq/345-48484000-21swapper/112:01:061
9950480,0irq/345-48484000-21swapper/109:53:101
81480,0rcu_preempt3-21ksoftirqd/011:41:080
81480,0rcu_preempt3-21ksoftirqd/009:25:530
81480,0rcu_preempt3-21ksoftirqd/009:12:280
81480,0rcu_preempt3-21ksoftirqd/007:56:470
81480,0rcu_preempt19-21ksoftirqd/110:38:091
81480,0rcu_preempt19-21ksoftirqd/108:09:181
81480,0rcu_preempt19-21ksoftirqd/107:36:031
81480,0rcu_preempt19-21ksoftirqd/107:36:031
9950470,0irq/345-484840031652-1kworker/1:3H10:19:351
9950470,0irq/345-48484000-21swapper/007:33:080
9950470,0irq/345-48484000-21swapper/007:33:080
81470,0rcu_preempt3-21ksoftirqd/012:18:100
81470,0rcu_preempt3-21ksoftirqd/012:08:060
81470,0rcu_preempt3-21ksoftirqd/011:19:010
81470,0rcu_preempt3-21ksoftirqd/010:07:530
81470,0rcu_preempt3-21ksoftirqd/008:49:410
81470,0rcu_preempt3-21ksoftirqd/008:04:470
81470,0rcu_preempt31729-21ssh11:34:421
81470,0rcu_preempt28103-21ssh10:53:170
81470,0rcu_preempt24125-21kworker/0:109:05:030
81470,0rcu_preempt19-21ksoftirqd/108:18:001
81470,0rcu_preempt19-21ksoftirqd/108:02:521
81470,0rcu_preempt19-21ksoftirqd/107:44:281
81470,0rcu_preempt19-21ksoftirqd/107:28:181
81460,0rcu_preempt3-21ksoftirqd/011:43:570
81460,0rcu_preempt3-21ksoftirqd/008:52:460
81460,0rcu_preempt19-21ksoftirqd/107:23:101
81460,0rcu_preempt19-21ksoftirqd/107:18:041
9950450,0irq/345-48484000-21swapper/111:11:011
81450,0rcu_preempt3-21ksoftirqd/010:14:370
81450,0rcu_preempt3-21ksoftirqd/008:38:120
81450,0rcu_preempt21312-21apt-get08:32:481
81450,0rcu_preempt20267-21memory08:28:041
81450,0rcu_preempt19-21ksoftirqd/110:52:381
81450,0rcu_preempt19-21ksoftirqd/108:57:381
9950440,0irq/345-48484003701-21ssh11:39:271
9950440,0irq/345-484840024752-1kworker/0:2H11:00:240
81440,0rcu_preempt3-21ksoftirqd/008:32:590
81440,0rcu_preempt19-21ksoftirqd/110:08:121
81430,0rcu_preempt3-21ksoftirqd/008:08:480
9950420,0irq/345-484840025438-21chrt08:43:110
9950420,0irq/345-48484000-21swapper/007:27:370
81420,0rcu_preempt3-21ksoftirqd/008:29:380
81420,0rcu_preempt19-21ksoftirqd/108:23:081
81410,0rcu_preempt19-21ksoftirqd/107:07:371
81400,0rcu_preempt19-21ksoftirqd/112:13:101
81400,0rcu_preempt19-21ksoftirqd/108:57:501
81390,0rcu_preempt19-21ksoftirqd/107:48:091
81390,0rcu_preempt19-21ksoftirqd/107:10:101
9950380,0irq/345-484840028729-1kworker/1:1H07:14:041
9950380,0irq/345-48484000-21swapper/007:38:270
81370,0rcu_preempt25158-21ls08:43:021
81370,0rcu_preempt19-21ksoftirqd/107:52:561
81350,0rcu_preempt19-21ksoftirqd/108:50:401
81320,0rcu_preempt19-21ksoftirqd/109:07:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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